Question 1073144
{{{A=(1/2)bh=675}}}
and
{{{b/h=3/5}}}
{{{5b=3h}}}
{{{b=(3/5)h}}}
Substituting,
{{{(1/2)(3/5)h(h)=675}}}
{{{h^2=2250}}}
{{{h=sqrt(2250)}}}
{{{h=15sqrt(10)}}}{{{m}}}
So,
{{{b=(3/5)15sqrt(10)}}}
{{{b=9sqrt(10)}}}{{{m}}}